Synergistic combinations of nano-scaled fillers and hindered...

Details Synergistic combinations of nano-scaled fillers and hindered... Synergistic combinations of nano-scaled fillers and hindered...

C - Chemistry, Metallurgy

08

K

C08K 13/02 (2006.01) C08K 3/34 (2006.01) C08K 5/34 (2006.01) C08K 5/00 (2006.01)

Patent

CA 2449242

Polymer compositions comprising a polymeric substrate and an effective stabilizing amount of a synergistic mixture of a nano-scaled filler and at least one additive selected from the group consisting of the hindered amine light stabilizers are effectively stabilized against the deleterious effects of oxidative, thermal or light-induced degradation.

L'invention concerne des compositions polymériques comprenant un substrat polymérique et une quantité efficace d'un mélange synergétique de stabilisation comprenant une nano-charge et au moins un additif sélectionné dans le groupe comprenant des photostabilisants aminiques inhibés, stabilisées de manière efficace contre les effets nocifs de la dégradation oxydative thermique ou induite par la lumière.

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